package com.zjut.zs.zxlb.dao;

import java.sql.SQLException;
import java.sql.Timestamp;
import java.util.List;

import org.hibernate.Criteria;
import org.hibernate.HibernateException;
import org.hibernate.LockMode;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.criterion.MatchMode;
import org.hibernate.criterion.Order;
import org.hibernate.criterion.Projections;
import org.hibernate.criterion.Restrictions;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.orm.hibernate3.HibernateCallback;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

import com.zjut.an.util.module.PageModule;
import com.zjut.zs.userinfo.dao.ZsUserinfo;

/**
 * A data access object (DAO) providing persistence and search support for
 * ZsZxlb entities. Transaction control of the save(), update() and delete()
 * operations can directly support Spring container-managed transactions or they
 * can be augmented to handle user-managed Spring transactions. Each of these
 * methods provides additional information for how to configure it for the
 * desired type of transaction control.
 * 
 * @see com.zjut.zs.zxlb.dao.ZsZxlb
 * @author MyEclipse Persistence Tools
 */

public class ZsZxlbDAO extends HibernateDaoSupport {
	private static final Logger log = LoggerFactory.getLogger(ZsZxlbDAO.class);
	// property constants
	public static final String ZX_ID = "zxId";
	public static final String ZX_TYPE = "zxType";
	public static final String ZX_NAME = "zxName";
	public static final String ZX_JB = "zxJb";
	public static final String ZX_DATE = "zxDate";
	public static final String ZX_ORG = "zxOrg";
	public static final String ZX_DJ = "zxDj";
	public static final String ZX_FILES = "zxFiles";
	public static final String ZX_REMARK = "zxRemark";

	protected void initDao() {
		// do nothing
	}

	public void save(ZsZxlb transientInstance) {
		log.debug("saving ZsZxlb instance");
		try {
			getHibernateTemplate().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}

	public void delete(ZsZxlb persistentInstance) {
		log.debug("deleting ZsZxlb instance");
		try {
			getHibernateTemplate().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public ZsZxlb findById(java.lang.String id) {
		log.debug("getting ZsZxlb instance with id: " + id);
		try {
			ZsZxlb instance = (ZsZxlb) getHibernateTemplate().get(
					"com.zjut.zs.zxlb.dao.ZsZxlb", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(ZsZxlb instance) {
		log.debug("finding ZsZxlb instance by example");
		try {
			List results = getHibernateTemplate().findByExample(instance);
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding ZsZxlb instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from ZsZxlb as model where model."
					+ propertyName + "= ?";
			return getHibernateTemplate().find(queryString, value);
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findByZxType(Object zxType) {
		return findByProperty(ZX_TYPE, zxType);
	}

	public List findByZxName(Object zxName) {
		return findByProperty(ZX_NAME, zxName);
	}

	public List findByZxJb(Object zxJb) {
		return findByProperty(ZX_JB, zxJb);
	}

	public List findByZxDate(Object zxDate) {
		return findByProperty(ZX_DATE, zxDate);
	}

	public List findByZxOrg(Object zxOrg) {
		return findByProperty(ZX_ORG, zxOrg);
	}

	public List findByZxDj(Object zxDj) {
		return findByProperty(ZX_DJ, zxDj);
	}

	public List findByZxFiles(Object zxFiles) {
		return findByProperty(ZX_FILES, zxFiles);
	}

	public List findByZxRemark(Object zxRemark) {
		return findByProperty(ZX_REMARK, zxRemark);
	}

	public List findAll() {
		log.debug("finding all ZsZxlb instances");
		try {
			String queryString = "from ZsZxlb";
			return getHibernateTemplate().find(queryString);
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public ZsZxlb merge(ZsZxlb detachedInstance) {
		log.debug("merging ZsZxlb instance");
		try {
			ZsZxlb result = (ZsZxlb) getHibernateTemplate().merge(
					detachedInstance);
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(ZsZxlb instance) {
		log.debug("attaching dirty ZsZxlb instance");
		try {
			getHibernateTemplate().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(ZsZxlb instance) {
		log.debug("attaching clean ZsZxlb instance");
		try {
			getHibernateTemplate().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public static ZsZxlbDAO getFromApplicationContext(ApplicationContext ctx) {
		return (ZsZxlbDAO) ctx.getBean("ZsZxlbDAO");
	}
	@SuppressWarnings("unchecked")
	public PageModule findByInstance(final int pageNumber ,final int pageSize, String sort, String order, final ZsZxlb obj){
		try {
			int startIndex = (pageNumber - 1) * pageSize;
			Session session = getHibernateTemplate().getSessionFactory().openSession();
			List list;
			Criteria criteria = session.createCriteria(ZsZxlb.class);
			
			if (null != obj.getZsUser()) {
				criteria.add(Restrictions.eq("zsUser", obj.getZsUser()));
			}
			if (!isEmpty(obj.getZxType())) {
				criteria.add(Restrictions.eq(ZX_TYPE, obj.getZxType()));
			}
			if (!isEmpty(obj.getZxName())) {
				criteria.add(Restrictions.like(ZX_NAME, obj.getZxName(),MatchMode.ANYWHERE));
			}
			if (!isEmpty(obj.getZxJb())) {
				criteria.add(Restrictions.like(ZX_JB, obj.getZxJb(),MatchMode.ANYWHERE));
			}
			if (!isEmpty(obj.getZxOrg())) {
				criteria.add(Restrictions.like(ZX_ORG, obj.getZxOrg(),MatchMode.ANYWHERE));
			}
			if (!isEmpty(obj.getZxDj())) {
				criteria.add(Restrictions.like(ZX_DJ, obj.getZxDj(),MatchMode.ANYWHERE));
			}
			//补充
			
			this.sort(criteria, sort, order);
			
			criteria.setFirstResult(startIndex);
			criteria.setMaxResults(pageSize);
			list = criteria.list();
			session.close();
			return new PageModule(pageNumber, pageSize, countByInstance(obj), list);
		} catch (RuntimeException re) {
			log.error("findByInstance failed", re);
			throw re;
		}
	}
	
	public int countByInstance(final ZsZxlb obj) {
		log.debug("finding the number of ZsZxlb instance");
		try {
			int count = 0;
			Session session = getHibernateTemplate().getSessionFactory().openSession();
			Criteria criteria = session.createCriteria(ZsZxlb.class);
			
			if (null != obj.getZsUser()) {
				criteria.add(Restrictions.eq("zsUser", obj.getZsUser()));
			}
			if (!isEmpty(obj.getZxType())) {
				criteria.add(Restrictions.eq(ZX_TYPE, obj.getZxType()));
			}
			if (!isEmpty(obj.getZxName())) {
				criteria.add(Restrictions.like(ZX_NAME, obj.getZxName(),MatchMode.ANYWHERE));
			}
			if (!isEmpty(obj.getZxJb())) {
				criteria.add(Restrictions.like(ZX_JB, obj.getZxJb(),MatchMode.ANYWHERE));
			}
			if (!isEmpty(obj.getZxOrg())) {
				criteria.add(Restrictions.like(ZX_ORG, obj.getZxOrg(),MatchMode.ANYWHERE));
			}
			if (!isEmpty(obj.getZxDj())) {
				criteria.add(Restrictions.like(ZX_DJ, obj.getZxDj(),MatchMode.ANYWHERE));
			}
			//补充
			
			
			count = (Integer) criteria.setProjection(Projections.rowCount()).uniqueResult();
			session.close();
			return count;
		} catch (RuntimeException re) {
			log.error("find the number of ZsZxlb instance failed", re);
			throw re;
		}
	}
	
	@SuppressWarnings("unchecked")
	public List findByHql(final int pageNumber ,final int pageSize, final String hql, final Object[] values){
		log.debug("finding ZsZxlb instance by hql");
	    return (List<ZsZxlb>) super.getHibernateTemplate().execute(new HibernateCallback(){
	        public Object doInHibernate(Session session) throws HibernateException, SQLException {
	            Query query=session.createQuery(hql);
	            if (values != null) {// 为hql语句传入参数
					for (int i = 0; i < values.length; i++) {
						query.setParameter(i, values[i]);
					}
				}
	            return query.setFirstResult((pageNumber-1)*pageSize).setMaxResults(pageSize).list();
	        }
	    });
	}

	@SuppressWarnings("unchecked")
	public int findCountByHql(final String hql, final Object[] values) {
		log.debug("finding the number of ZsZxlb instance");
		try {
			return (Integer) super.getHibernateTemplate().execute(new HibernateCallback(){
		        public Object doInHibernate(Session session) throws HibernateException, SQLException {
		            Query query=session.createQuery(hql);
		            if (values != null) {// 为hql语句传入参数
						for (int i = 0; i < values.length; i++) {
							query.setParameter(i, values[i]);
						}
					}
					return ((Long)query.uniqueResult()).intValue();
		        }
		    });
		} catch (RuntimeException re) {
			log.error("find the number of ZsZxlb instance failed", re);
			throw re;
		}
	}

	public void update(ZsZxlb transientInstance) {
		log.debug("updating ZsZxlb instance");
		try {
			getHibernateTemplate().update(transientInstance);
			log.debug("update successful");
		} catch (RuntimeException re) {
			log.error("update failed", re);
			throw re;
		}
	}

	public void sort(Criteria criteria, String sort, String order) {
		if (sort!=null && order!=null) {
			if (order.equals("asc")) {
				criteria.addOrder(Order.asc(sort));
			} else {
				criteria.addOrder(Order.desc(sort));
			}
		} else {
			criteria.addOrder(Order.desc(ZX_ID));			
		}
	}
	
	private boolean isEmpty(String value) {
		if (value==null || value.trim().length()==0) {
			return true;
		}
		return false;
	}
}